change background color of Preference

Question

I have a PreferenceCategory, xml file and I have defined all preferences in it, I call this from class that extends PreferenceActivity. I am unable

Answer 1

Or you can also make drawable as your background:

getListView().setBackgroundDrawable(getResources().getDrawable(R.drawable.bluegradient));

Note: setBackgroundDrawable() is deprecated. Use setBackground() instead.

getListView().setBackground(getResources().getDrawable(R.drawable.bluegradient));